{"product_id":"matched-pair-general-electric-ge-6sn7-05587","title":"Matched Pair General Electric GE 6SN7 6SN7GTB Vacuum Tubes Copper Support Rods","description":"\u003cp\u003eThis matched pair of GE 6SN7GTB dual triodes was tested on our Paul Hart-calibrated TV7\/U for shorts, gas and transconductance. There were no shorts or gas and transconductance measured as follows:\u003c\/p\u003e\n\u003cp\u003eTube One: 75\/70\u003cbr\u003e\nTube Two: 79\/74\u003cbr\u003e\nBogey: Minimum (65%) is 50\/50; 100% is 77\/77\u003c\/p\u003e\n\u003cp\u003ePhysical Characteristics:\u003c\/p\u003e\n\u003cp\u003eBases: tall\u003cbr\u003e\nBottles: medium height\u003cbr\u003e\nDate Codes: 56-13 and 58-43, respectively\u003cbr\u003e\nEIA Factory Codes: 188-4 and 188-5, respectively\u003cbr\u003e\nGetters: mid-bottle, harp\u003cbr\u003e\nFlashing Quality: excellent\u003cbr\u003e\nMica Spacers, Bottom: smooth, rounded rectangles\u003cbr\u003e\nMica Spacers, Top: smooth, rounded, irregularly-crenelated circles\u003cbr\u003e\nPlates: gray ladder plate\u003cbr\u003e\nSpecial Features: white labels\u003cbr\u003e\nSupport Rods: copper\u003c\/p\u003e\n\u003cp\u003eI have played them in my Radio Craftsmen RC-2 mono blocks and they are dead quiet when the CD player is paused and have excellent frequency response, sound-staging, and dynamics.\u003c\/p\u003e","brand":"Lowtechelec","offers":[{"title":"Default Title","offer_id":62885737365663,"sku":null,"price":50.91,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0397\/5344\/9631\/files\/il_fullxfull.7354329713_8ohz_4b673d8f-01c4-486b-8c93-aa2775ebaa65.jpg?v=1791345919","url":"https:\/\/lowtechelec.com\/en-au\/products\/matched-pair-general-electric-ge-6sn7-05587","provider":"Lowtechelec","version":"1.0","type":"link"}